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771fe6b9 JG |
1 | /* |
2 | * Copyright 2007-8 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: Dave Airlie | |
24 | * Alex Deucher | |
25 | */ | |
26 | #include "drmP.h" | |
27 | #include "radeon_drm.h" | |
28 | #include "radeon.h" | |
29 | ||
30 | #define CURSOR_WIDTH 64 | |
31 | #define CURSOR_HEIGHT 64 | |
32 | ||
33 | static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock) | |
34 | { | |
35 | struct radeon_device *rdev = crtc->dev->dev_private; | |
36 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
37 | uint32_t cur_lock; | |
38 | ||
bcc1c2a1 AD |
39 | if (ASIC_IS_DCE4(rdev)) { |
40 | cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset); | |
41 | if (lock) | |
42 | cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK; | |
43 | else | |
44 | cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK; | |
45 | WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock); | |
46 | } else if (ASIC_IS_AVIVO(rdev)) { | |
771fe6b9 JG |
47 | cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset); |
48 | if (lock) | |
49 | cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK; | |
50 | else | |
51 | cur_lock &= ~AVIVO_D1CURSOR_UPDATE_LOCK; | |
52 | WREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock); | |
53 | } else { | |
54 | cur_lock = RREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset); | |
55 | if (lock) | |
56 | cur_lock |= RADEON_CUR_LOCK; | |
57 | else | |
58 | cur_lock &= ~RADEON_CUR_LOCK; | |
59 | WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, cur_lock); | |
60 | } | |
61 | } | |
62 | ||
63 | static void radeon_hide_cursor(struct drm_crtc *crtc) | |
64 | { | |
65 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
66 | struct radeon_device *rdev = crtc->dev->dev_private; | |
67 | ||
bcc1c2a1 AD |
68 | if (ASIC_IS_DCE4(rdev)) { |
69 | WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset); | |
70 | WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT)); | |
71 | } else if (ASIC_IS_AVIVO(rdev)) { | |
771fe6b9 JG |
72 | WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); |
73 | WREG32(RADEON_MM_DATA, (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT)); | |
74 | } else { | |
75 | switch (radeon_crtc->crtc_id) { | |
76 | case 0: | |
77 | WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL); | |
78 | break; | |
79 | case 1: | |
80 | WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL); | |
81 | break; | |
82 | default: | |
83 | return; | |
84 | } | |
85 | WREG32_P(RADEON_MM_DATA, 0, ~RADEON_CRTC_CUR_EN); | |
86 | } | |
87 | } | |
88 | ||
89 | static void radeon_show_cursor(struct drm_crtc *crtc) | |
90 | { | |
91 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
92 | struct radeon_device *rdev = crtc->dev->dev_private; | |
93 | ||
bcc1c2a1 AD |
94 | if (ASIC_IS_DCE4(rdev)) { |
95 | WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset); | |
96 | WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN | | |
97 | EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT)); | |
98 | } else if (ASIC_IS_AVIVO(rdev)) { | |
771fe6b9 JG |
99 | WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset); |
100 | WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN | | |
bcc1c2a1 | 101 | (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT)); |
771fe6b9 JG |
102 | } else { |
103 | switch (radeon_crtc->crtc_id) { | |
104 | case 0: | |
105 | WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL); | |
106 | break; | |
107 | case 1: | |
108 | WREG32(RADEON_MM_INDEX, RADEON_CRTC2_GEN_CNTL); | |
109 | break; | |
110 | default: | |
111 | return; | |
112 | } | |
113 | ||
114 | WREG32_P(RADEON_MM_DATA, (RADEON_CRTC_CUR_EN | | |
115 | (RADEON_CRTC_CUR_MODE_24BPP << RADEON_CRTC_CUR_MODE_SHIFT)), | |
116 | ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_CUR_MODE_MASK)); | |
117 | } | |
118 | } | |
119 | ||
120 | static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj, | |
121 | uint32_t gpu_addr) | |
122 | { | |
123 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
124 | struct radeon_device *rdev = crtc->dev->dev_private; | |
125 | ||
bcc1c2a1 AD |
126 | if (ASIC_IS_DCE4(rdev)) { |
127 | WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 0); | |
128 | WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr); | |
129 | } else if (ASIC_IS_AVIVO(rdev)) { | |
c290dadf AD |
130 | if (rdev->family >= CHIP_RV770) { |
131 | if (radeon_crtc->crtc_id) | |
132 | WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, 0); | |
133 | else | |
134 | WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, 0); | |
135 | } | |
771fe6b9 | 136 | WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr); |
c290dadf | 137 | } else { |
c836e862 | 138 | radeon_crtc->legacy_cursor_offset = gpu_addr - radeon_crtc->legacy_display_base_addr; |
771fe6b9 | 139 | /* offset is from DISP(2)_BASE_ADDRESS */ |
c836e862 AD |
140 | WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset); |
141 | } | |
771fe6b9 JG |
142 | } |
143 | ||
144 | int radeon_crtc_cursor_set(struct drm_crtc *crtc, | |
145 | struct drm_file *file_priv, | |
146 | uint32_t handle, | |
147 | uint32_t width, | |
148 | uint32_t height) | |
149 | { | |
150 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
151 | struct drm_gem_object *obj; | |
152 | uint64_t gpu_addr; | |
153 | int ret; | |
154 | ||
155 | if (!handle) { | |
156 | /* turn off cursor */ | |
157 | radeon_hide_cursor(crtc); | |
158 | obj = NULL; | |
159 | goto unpin; | |
160 | } | |
161 | ||
162 | if ((width > CURSOR_WIDTH) || (height > CURSOR_HEIGHT)) { | |
163 | DRM_ERROR("bad cursor width or height %d x %d\n", width, height); | |
164 | return -EINVAL; | |
165 | } | |
166 | ||
167 | radeon_crtc->cursor_width = width; | |
168 | radeon_crtc->cursor_height = height; | |
169 | ||
170 | obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); | |
171 | if (!obj) { | |
172 | DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, radeon_crtc->crtc_id); | |
bf79cb91 | 173 | return -ENOENT; |
771fe6b9 JG |
174 | } |
175 | ||
176 | ret = radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &gpu_addr); | |
177 | if (ret) | |
178 | goto fail; | |
179 | ||
180 | radeon_lock_cursor(crtc, true); | |
181 | /* XXX only 27 bit offset for legacy cursor */ | |
182 | radeon_set_cursor(crtc, obj, gpu_addr); | |
183 | radeon_show_cursor(crtc); | |
184 | radeon_lock_cursor(crtc, false); | |
185 | ||
186 | unpin: | |
187 | if (radeon_crtc->cursor_bo) { | |
188 | radeon_gem_object_unpin(radeon_crtc->cursor_bo); | |
bc9025bd | 189 | drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo); |
771fe6b9 JG |
190 | } |
191 | ||
192 | radeon_crtc->cursor_bo = obj; | |
193 | return 0; | |
194 | fail: | |
bc9025bd | 195 | drm_gem_object_unreference_unlocked(obj); |
771fe6b9 | 196 | |
4cdb82b9 | 197 | return ret; |
771fe6b9 JG |
198 | } |
199 | ||
200 | int radeon_crtc_cursor_move(struct drm_crtc *crtc, | |
201 | int x, int y) | |
202 | { | |
203 | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | |
204 | struct radeon_device *rdev = crtc->dev->dev_private; | |
205 | int xorigin = 0, yorigin = 0; | |
206 | ||
207 | if (x < 0) | |
208 | xorigin = -x + 1; | |
209 | if (y < 0) | |
210 | yorigin = -y + 1; | |
211 | if (xorigin >= CURSOR_WIDTH) | |
212 | xorigin = CURSOR_WIDTH - 1; | |
213 | if (yorigin >= CURSOR_HEIGHT) | |
214 | yorigin = CURSOR_HEIGHT - 1; | |
215 | ||
216 | radeon_lock_cursor(crtc, true); | |
bcc1c2a1 | 217 | if (ASIC_IS_DCE4(rdev)) { |
22e6dd7e AD |
218 | /* cursors are offset into the total surface */ |
219 | x += crtc->x; | |
220 | y += crtc->y; | |
221 | DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); | |
222 | ||
bcc1c2a1 AD |
223 | /* XXX: check if evergreen has the same issues as avivo chips */ |
224 | WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, | |
225 | ((xorigin ? 0 : x) << 16) | | |
226 | (yorigin ? 0 : y)); | |
227 | WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin); | |
228 | WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset, | |
229 | ((radeon_crtc->cursor_width - 1) << 16) | (radeon_crtc->cursor_height - 1)); | |
230 | } else if (ASIC_IS_AVIVO(rdev)) { | |
771fe6b9 JG |
231 | int w = radeon_crtc->cursor_width; |
232 | int i = 0; | |
233 | struct drm_crtc *crtc_p; | |
234 | ||
235 | /* avivo cursor are offset into the total surface */ | |
236 | x += crtc->x; | |
237 | y += crtc->y; | |
238 | DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y); | |
239 | ||
240 | /* avivo cursor image can't end on 128 pixel boundry or | |
241 | * go past the end of the frame if both crtcs are enabled | |
242 | */ | |
243 | list_for_each_entry(crtc_p, &crtc->dev->mode_config.crtc_list, head) { | |
244 | if (crtc_p->enabled) | |
245 | i++; | |
246 | } | |
247 | if (i > 1) { | |
248 | int cursor_end, frame_end; | |
249 | ||
250 | cursor_end = x - xorigin + w; | |
251 | frame_end = crtc->x + crtc->mode.crtc_hdisplay; | |
252 | if (cursor_end >= frame_end) { | |
253 | w = w - (cursor_end - frame_end); | |
254 | if (!(frame_end & 0x7f)) | |
255 | w--; | |
256 | } else { | |
257 | if (!(cursor_end & 0x7f)) | |
258 | w--; | |
259 | } | |
260 | if (w <= 0) | |
261 | w = 1; | |
262 | } | |
263 | ||
264 | WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset, | |
265 | ((xorigin ? 0 : x) << 16) | | |
266 | (yorigin ? 0 : y)); | |
267 | WREG32(AVIVO_D1CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin); | |
268 | WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset, | |
269 | ((w - 1) << 16) | (radeon_crtc->cursor_height - 1)); | |
270 | } else { | |
271 | if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN) | |
272 | y *= 2; | |
273 | ||
274 | WREG32(RADEON_CUR_HORZ_VERT_OFF + radeon_crtc->crtc_offset, | |
275 | (RADEON_CUR_LOCK | |
276 | | (xorigin << 16) | |
277 | | yorigin)); | |
278 | WREG32(RADEON_CUR_HORZ_VERT_POSN + radeon_crtc->crtc_offset, | |
279 | (RADEON_CUR_LOCK | |
280 | | ((xorigin ? 0 : x) << 16) | |
281 | | (yorigin ? 0 : y))); | |
c836e862 AD |
282 | /* offset is from DISP(2)_BASE_ADDRESS */ |
283 | WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, (radeon_crtc->legacy_cursor_offset + | |
284 | (yorigin * 256))); | |
771fe6b9 JG |
285 | } |
286 | radeon_lock_cursor(crtc, false); | |
287 | ||
288 | return 0; | |
289 | } |